"REPRODUCTIVE ISOLATION" needs to occur for speciation to happen.....
D because they are complete systems
Homogeneous is the answer
Answer:
Pinging
Explanation:
- Keith Ferrazzi is the author of the book never eat alone in which he provides ways to build and maintain relationships with other people.
- In his book, Ferrazzi has advised that "pinging" is the way by which about 80 percent of the relationships can be maintained.
- He has defined "pinging" as a quick, casual greeting which can done in any number of creative ways.
- He has given three steps by which pinging can be done to establish new relationships :
Step 1. Send email, call through phone or have face to face interaction with people you are trying to establish a new relationship with.
Step 2. Do a phone call or send an email once a month after a relationship has been nurtured.
Step 3. Having atleast two face to face meetings outside the office leads to establishment of friendship.
A, because plant cells do have membrane-bound nuclei. they have chloroplasts, so that isn't it. Plants don't use oxygen for photosynthesis, but carbon dioxide. The plant walls are made up of cellulose,, not lipids. It must be A.
